搜索结果: 1-7 共查到“土壤学 fertilizing”相关记录7条 . 查询时间(0.046 秒)
Soil pH changes in long-term field experiments with different fertilizing systems
acidification crop rotation mineral fertilization organic fertilization soil type
2015/3/13
The changes of soil pH in long-term 14-year field experiments with different fertilizing systems are described. The field experiments were located at four sites of the Czech Republic with different so...
Evaluation of fertilizing schemes for direct-seeding rice fields in Taihu Lake Basin, China
Rice direct-seeding fertilizing scheme nitrogen loss
2010/2/24
Field experiments were performed to identify an effective fertilizing scheme for direct-seeding rice (DSR) fields in the Taihu Lake Basin in east China. Based on local traditions, 3 typical fertilizin...
The effect of nitrogen fertilizing 10 days after heading in wheat
Gluten Triticum aestivum L 10 days after heading Protein content Top dressing
2009/7/9
To increase the protein content of wheat grain, we applied fertilizer 10 days after heading and examined its effect on agronomic character and flour quality. This top dressing did not affect the agro...
The Yielding of Rice and the Effects of Each Element in Consecutive 77-Year Lacking of Four Elements and Fertilizing with Compost
Adding compost Component deficiency Consecutive study Five elements Multi-regression-analysis
2009/7/8
The effects of four fertilizer elements (nitrogen, phosphoric acid, potassium and lime) and compost on rice plant during the 77 years from 1926 were studied. Lack of adding nitrogen, phosphoric acid, ...
Research on the Performance Values of Some Fertilizer Metering Devices Used For Band Fertilizing
Performance Values Fertilizer Metering Devices Band Fertilizing
2009/1/15
The objectives of this research were , to find the effect of working conditions and different content of fertilizing material (amonium nitrat) on the performance of metering devices used for band plac...
Balanced Crop Nutrition：Fertilizing for Crop and Food Quality
Potassium nutrient ratio negative balance balanced fertilization
2009/1/8
Globally the ratio of N:P2O5:K2O changed from 2.5:1.3:1 in the 1980s to 3.6:1.4:1 in 2002 as N consumption outstripped that of K. Regardless of their decreased nutrient consumption, developed countrie...
Influence of soil sampling for precision fertilizing
soil sampling methods differential global positioning system nutrient maps precision farming
2010/1/18
Influence of soil sampling for precision fertilizing.